Electrical power meter box locks
AssigneeHouston Industries Incorporated
InventorsRichard W. Blair, Jack R. Grant
Life of this patent
Estimating the term…
Abstract
A lock for electrical power meter boxes has a solid rod with a flared head to engage spring steel blades to lock it. The lock has a spring loaded sleeve within a housing, which can be permanently mounted either inside or outside a meter box. The spring loaded sleeve is maneuverable by an unlocking tool to open and release the spring sheet blades from the locked position.
Claims7
A lock for an electrical power meter box in a housing assembly mounted with the meter box and having a front housing and a rear housing, comprising:
- a) lock rod means having a head on a rear end thereof and mounted in said front housing of the housing assembly;
- b) lock rod receiving means mounted in said rear housing of the housing assembly, said lock rod receiving means being formed of blade members for engaging with said lock rod head and passing same inwardly to a locked position while restricting withdrawal outwardly of said lock rod head from the locked position;
- c) rod stopping means mounted in said rear housing for contact with said lock rod head when in the locked position, said rod stopping means comprising a stop adapted for travel longitudinally in said rear housing;
- d) a stop spring urging said stop resiliently toward said lock rod receiving means;
- e) said stop spring urging said stop into engagement with said lock rod head and holding said lock rod head between said stop and said blade members when in the locking position;
- and
- f) unlocking means for releasing said lock rod head from said lock rod receiving means to an unlocked position.
A lock for an electrical power meter box in a housing assembly mounted with the meter box and having a front housing an a rear housing, comprising:
- a) lock rod means having a head on a rear end thereof and mounted in said front housing of the housing assembly;
- b) lock rod receiving means mounted in said rear housing of the housing assembly, said lock rod receiving means being formed of blade members for engaging with said lock rod head and passing same inwardly to a locked position while restricting withdrawal outwardly of said lock rod head from the locked position;
- c) rod stopping means mounted in said rear housing for contact with said lock rod head when in the locked position, said rod stopping means comprising a member threadedly advanced into said rear housing;
- d) said threaded member engaging said lock rod head and resisting further advancement of said lock rod head in the locking position;
- and
- e) unlocking means for releasing said lock rod head from said lock rod receiving means to an unlocked position.
Dependencies are inferred from the claim text.